Agreed that there is not just 1 answer to this question. Here is a link with more information.

http://blogs.msdn.com/b/ialonso/archive/2012/02/17/what-s-in-enterprise-only-support-for-data-compression-amp-vardecimal-storage-format.aspx

Slevin

Actually, you don't need to enable delegation unless you are working with linked servers and windows authentication. The account does need the permission to write public information in active directory...

I wonder if this is because it is cached creds. Did you try to:

1. Open cmd prompt

2. type "klist.exe purge"

3. Establish a new connection

Additionally, you can install the Kerberos Configuration...

Unfortunately, we are still running some servers with SQL 2000 SP4. I was recently getting this error. Other symtoms may occur such as backups being blocked, processes blocked by negative...

Agreed, I have tried this link in both Firefox and IE and receive the same error:

"File does not begin with '%PDF-".